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MyImageIO.java
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MyImageIO.java
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import java.awt.Color;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public class MyImageIO {
public static int[][] RGB_TO_Gray(int[][][] m) {
int[][] m_new = new int[m[0].length][m[0][0].length];
for (int i = 0; i < m[0].length; i++) {
for (int j = 0; j < m[0][0].length; j++) {
int R = m[0][i][j];
int G = m[1][i][j];
int B = m[2][i][j];
// System.out.println(R +" "+G +" "+B);
m_new[i][j] = (int) (((0.3 * R) + (0.59 * G) + (0.11 * B)) * 255);
// m_new[i][j]= (int) ((0.3 * R) + (0.3 * G) + (0.3 * B)) ;
}
}
return m_new;
}
public static Frame readImageFromFile(String fileName, boolean gray) {
if (gray) {
int[][][] img = readImageFromFile(fileName);
int[][] im_g = RGB_TO_Gray(img);
GrayImage gi = new GrayImage(im_g);
return gi;
} else {
int[][][] img = readImageFromFile(fileName);
RGBImage rgbi = new RGBImage(img);
return rgbi;
}
}
public static int[][][] readImageFromFile(String fileName) {
try {
BufferedImage im = ImageIO.read(new File(fileName));
int[][][] img = new int[3][im.getHeight()][im.getWidth()];
for (int i = 0; i < im.getHeight(); i++) {
for (int j = 0; j < im.getWidth(); j++) {
Color c = new Color(im.getRGB(j, i));
img[0][i][j] = c.getRed();
img[1][i][j] = c.getGreen();
img[2][i][j] = c.getBlue();
}
}
return img;
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
public static void writeImageToFile(String fileName, int[][][] pixels) {
BufferedImage im = new BufferedImage(pixels[0][0].length, pixels[0].length, BufferedImage.TYPE_INT_RGB);
Graphics g = im.createGraphics();
for (int i = 0; i < pixels[0].length; i++) {
for (int j = 0; j < pixels[0][0].length; j++) {
g.setColor(new Color(pixels[0][i][j], pixels[1][i][j], pixels[2][i][j]));
g.fillRect(j, i, 1, 1);
}
}
try {
fileName = fileName + ".jpg";
ImageIO.write(im, "jpg", new File(fileName));
} catch (IOException e) {
e.printStackTrace();
}
}
public static void writeImageToFile(String fileName, int[][] pixels) {
BufferedImage im = new BufferedImage(pixels[0].length, pixels.length, BufferedImage.TYPE_BYTE_GRAY);
for (int i = 0; i < pixels.length; i++) {
for (int j = 0; j < pixels[0].length; j++) {
im.setRGB(j, i, pixels[i][j]);
}
}
try {
fileName = fileName + ".jpg";
ImageIO.write(im, "jpg", new File(fileName));
} catch (IOException e) {
e.printStackTrace();
}
}
public static void writeImageToFile(Frame f, String fileName) {
if (f instanceof RGBImage) {
writeImageToFile(fileName, ((RGBImage) f).getFrame());
} else
writeImageToFile(fileName, ((GrayImage) f).getFrame());
}
public static void main(String[] args) throws IOException {
// for windows: C:\\Users\\dolev\\Desktop\\Tichnot\\catE.jpg
// for mac : Users/dolev/Desktop/Tichnot/catE.jpg
// C:\Users\dolev\Desktop\Tichnot\catE.jpg
// link to code on github
// https://github.com/dolev146/ImageProcessing/
// Frame color = readImageFromFile("catE.jpg", false);
// Frame gray = readImageFromFile("catE.jpg", true);
// writeImageToFile(color, "catE.jpg_color");
// writeImageToFile(gray, "catE.jpg_gray");
// Frame colorR = readImageFromFile("catE.jpg", false);
// Frame grayR = readImageFromFile("catE.jpg", true);
// colorR.rotate90();
// grayR.rotate90();
// writeImageToFile(colorR, "catE.jpg_colorRotated");
// writeImageToFile(grayR, "catE.jpg_grayRotated");
// Frame colorSmooth = readImageFromFile("catE.jpg", false);
// Frame graySmooth = readImageFromFile("catE.jpg", true);
// colorSmooth.smooth(15);
// graySmooth.smooth(15);
// writeImageToFile(colorSmooth, "catE.jpg_colorSmooth");
// writeImageToFile(graySmooth, "catE.jpg_graySmooth");
// Frame colorcrop = readImageFromFile("catE.jpg", false);
// Frame graycrop = readImageFromFile("catE.jpg", true);
// colorcrop.crop(100, 100);
// graycrop.crop(100, 100);
// colorcrop.getPixel(10, 10);
// graycrop.getPixel(10, 10);
// writeImageToFile(colorcrop, "catE.jpg_colorcrop");
// writeImageToFile(graycrop, "catE.jpg_graycrop");
// Frame colorAddfrom = readImageFromFile("catE.jpg", false);
// Frame grayAddfrom = readImageFromFile("catE.jpg", true);
// colorAddfrom.addFrom(colorAddfrom);
// grayAddfrom.addFrom(grayAddfrom);
// writeImageToFile(colorAddfrom, "catE.jpg_colorAddFrame");
// writeImageToFile(grayAddfrom, "catE.jpg_grayAddFrame");
// FrameContainer part2 = new FrameContainer("readFrame.txt",true);
// Frame[] arr = new Frame[3];
// arr[0] = colorAddfrom;
// arr[1] = colorcrop;
// arr[2] = graySmooth;
// part2.sort();
// part2.get(1);
// part2.smoothAll( 3);
// sort !!!
int[][] arr9 = { { 1, 1, 1, 1 }, { 1, 1, 1, 1 }, { 1, 1, 1, 1 }, { 1, 1, 1, 1 }, };
Frame gray9 = new GrayImage(arr9);
int[][] arr2 = { { 1, 1, 1, 1 }, { 1, 1, 1, 1 }, { 1, 1, 1, 1 } };
Frame gray2 = new GrayImage(arr2);
int[][] arr3 = { { 1, 1, 1, 1 }, { 1, 1, 1, 1 }, };
Frame gray3 = new GrayImage(arr3);
int[][] arr5 = { { 1 }, { 1 }, { 1 }, { 1 }, };
Frame gray5 = new GrayImage(arr5);
int[][] arr4 = { { 1 }, { 1 } };
Frame gray4 = new GrayImage(arr4);
Frame[] ArrayOfFrame = { gray2, gray9, gray5, gray3, gray4 };
FrameContainer frameContainer = new FrameContainer();
for (int i = 0; i < ArrayOfFrame.length; i++) {
frameContainer.add(ArrayOfFrame[i]);
}
frameContainer.sort();
int[][][] ArrayOfmatrix = new int[6][][];
for (int i = 0; i < ArrayOfFrame.length; i++) {
ArrayOfmatrix[i] = ((GrayImage) ArrayOfFrame[i]).getFrame();
}
}
}